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castortr0y [4]
4 years ago
8

This is the question: Write down the equation of a circle with centre (0,0) and radius 5.

Mathematics
1 answer:
ANTONII [103]4 years ago
3 0
You almost had it right! remember the equation of a circle is
(x - h)^2 + (y - k)^2 = r^2. the center is (h,k) and r is the radius.

(x - 0)^2 + (y - 0)^2 = 5^2

x^2 + y^2 = 25 <<< your answer

hope that helps, God bless!
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Emily is 46 years old. Colin is 11 years older than Emily. Dan is 5 years younger than Emily. What is the total of their combine
Nonamiya [84]

Answer:

144

Step-by-step explanation:

<u>Data:</u>

<em>Emily's age</em> : 46 years old

<u>Find Colin's age</u>

<em>Colin's age</em>: 11 years older than Emily

                    Emily's age + 11

                    46 + 11 = 57 years old

<u>Find Dan's age</u>

<em>Dan's age</em>: 5 years younger than Emily

                  Emily's age - 5

                  46 - 5 = 41 years old

<u>Find their combined ages</u>

<em>Combined ages</em>: Emily's age + Colin's age + Dan's age

<em>Combined ages </em>= 46 + 57 + 41

Total = 144

Therefore, the total of their combined ages is 144.

3 0
3 years ago
Before dividing, decompose 420 to make it easier to divide by 4.
den301095 [7]

Answer:

4/420=105

Step-by-step explanation:

decompose 42 and divide by 4 is 10 and is 20 divided by 4 is 5

3 0
3 years ago
Based on the graphs of the equations y = –2x + 3 and y = x2 – x + 1, the solutions are located at points:
Ray Of Light [21]

The solutions of the equations are the point of intersection of the equations

The solutions are located at points (-2,7) and (1,1)

<h3>How to determine the solutions?</h3>

The equations are given as:

y = –2x + 3 and y = x2 – x + 1

Next, we plot the graph of both equations

From the graph of the equations (see attachment), we have the solution to be:

(x,y) = (-2,7) and (1,1)

Hence, the solutions are located at points (-2,7) and (1,1)

Read more about system of equations at:

brainly.com/question/14323743

8 0
2 years ago
Identify the constant of proportionality in the<br> following graphs:<br><br> Plz help
Sedbober [7]

Answer:

its proportionality

Step-by-step explanation:

8 0
3 years ago
I need help on these questions​
lilavasa [31]

Answer:

9. m = -3

11. m = 1

13. m = \frac{3}{5}

3 0
3 years ago
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